Silica-particles containing alumina, process for preparing same

Details Silica-particles containing alumina, process for preparing same Silica-particles containing alumina, process for preparing same

1986-10-20

1988-01-19

Pal, Asok

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Silicon containing or process of making

423338, 423339, 502237, 502238, 502235, 585510, 585530, 208106, 208111, 208120, B01J 2112

Patent

active

047204753

ABSTRACT:
Amorphous, substantially spherical silica particles obtained by acidic hydrolysis of substantially spherical synthetic crystalline calcium silicates having a size of from 20 to 120 microns are coated with a layer comprising silica and alumina. The silica particles obtained may be directly employed as catalysts for the oligomerization of olefins and, having been loaded with platinum, as hydrocracking catalysts.

REFERENCES:
patent: 2456268 (1948-12-01), Gibbs et al.
patent: 3650989 (1972-03-01), Hindin et al.

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